#6580F3#6580F3

#6580F3 is a light, vivid blue. Relative luminance 0.247; OKLCH L 63.6% C 0.174 H 270.8°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX#6580F3
RGBrgb(101, 128, 243)
HSLhsl(229, 86%, 67%)
HSVhsv(229, 58%, 95%)
CMYKcmyk(58.4%, 47.3%, 0%, 4.7%)
CIE-LABlab(56.76, 24.00, -60.85)
CIE-LCHlch(56.76, 65.41, 291.52°)
OKLaboklab(63.61% 0.0025 -0.1738)
OKLCHoklch(63.61% 0.174 270.8)
XYZxyz(29.2583, 24.6738, 87.9973)
Luminance0.2468 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6580F3 #F3D865
analogous
#65C7F3 #6580F3 #9165F3
triadic
#6580F3 #F36580 #80F365
tetradic
#6580F3 #F365C7 #F3D865 #65F391
square
#6580F3 #F365C7 #F3D865 #65F391
split-complementary
#6580F3 #F39165 #C7F365
monochromatic
#1034CE #2C51EF #6580F3 #9EAFF7 #D7DEFC

Accessibility & contrast

On white

3.54
#6580F3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.94
#6580F3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6580F3
5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6580F3#FFFFFF#000000##000000
##6580F31.003.545.945.94
#FFFFFF3.541.0021.0021.00
#0000005.9421.001.001.00
##0000005.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#478FF7
Deuteranopia (green-blind)
#3082F1
Tritanopia (blue-blind)
#009AAE
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #6580f3;
/* rgb */ color: rgb(101, 128, 243);
/* oklch */ color: oklch(63.6% 0.174 270.8);
Tailwind
colors: {
  custom: {
    50: '#9ca4f8',
    500: '#6580f3',
    950: '#000000',
  },
}
SCSS
$custom: #6580f3;
$custom-light: #9ca4f8;
$custom-dark: #000000;
JSON
{
  "hex": "#6580f3",
  "rgb": {
    "r": 101,
    "g": 128,
    "b": 243
  },
  "hsl": {
    "h": 228.592,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.6361,
    "c": 0.17386,
    "h": 270.8
  },
  "luminance": 0.24676
}

Semantic roles & 50–950 ramp

primary
#6580F3
secondary
#F0E8C4
accent
#B803E2
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F0F17
muted
#7F7F85

Preview Lab

Preview with #6580F3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#6580F3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva